1388808211

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{991}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 1719889920

約数和(自身を除く): 331081709

約数列:

[1, 7, 19, 41, 133, 257, 287, 779, 991, 1799, 4883, 5453, 6937, 10537, 18829, 34181, 40631, 73759, 131803, 200203, 254687, 284417, 771989, 1401421, 1782809, 4839053, 5403923, 10442167, 33873371, 73095169, 198401173, 1388808211]

約数ペア:

[(1, 1388808211), (7, 198401173), (19, 73095169), (41, 33873371), (133, 10442167), (257, 5403923), (287, 4839053), (779, 1782809), (991, 1401421), (1799, 771989), (4883, 284417), (5453, 254687), (6937, 200203), (10537, 131803), (18829, 73759), (34181, 40631)]